Home / 21,590.08-32,390.56-6,798.40

Finding the Fourth Proportional to 21,590.08, 32,390.56 and 6,798.40

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Solution

The fourth proportional to 21,590.08, 32,390.56 and 6,798.40 is: 10,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.08 : 32,390.56 = 6,798.40 : x
  2. Step 2: Convert to fraction form
    21,590.08/32,390.56 = 6,798.40/x
  3. Step 3: Cross multiply
    21,590.08x = 32,390.56 × 6,798.40
  4. Step 4: Simplify right side
    21,590.08x = 220,203,983.10
  5. Step 5: Solve for x
    x = 220,203,983.10/21,590.08
  6. Step 6: Final answer
    x = 10,199.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.